Compact ½″ impact wrench measures 155 mm in length making it ideal for working within confined spaces High performance 4-pole motor delivers maximum power whilst maximising the power to weight ratio REDLINK™ overload protection electronics in tool and battery pack deliver best in class system durability Heavy duty full metal gearbox and gears for superior durability and maximum torque ½″ square drive for use with universal sockets Individual battery cell monitoring optimises tool run time and ensures long term pack durability